Question

If A=(x:x is a letter in the word MATHEMATICS list the members and find n(A)

Answer 1

WE ARE GIVEN THE SET IN SET BUILDER FORM , WE HAVE TO WRITE IN ROSTER FORM WE HAVE ,

A = {M,A,T,H,E,I,C,S}

NOW THE GIVEN SET IS IN ROSTER FORM

NOW , WE HAVE TO COUNT THE NUMBER OF TERMS IN THE SET

AFTER COUNTING WE HAVE ,

n(A) = 8

so , THE FINAL ANSWER IS = 8